Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8bb06ea19d9df3a4a4c188c20a048e52f5980fe3879cd0dfffc7af93aab571d1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^